booster shot
Noun
Meaning
an additional dose that makes sure the first dose was effective
Source: WordNetAlternative names
booster-shot
Synonyms
Antonyms
Hypernyms
Examples
Could Covid booster shot revive your ailing funds?
"CNEWA can give a booster shot to the effort it has been doing for decades to support the Christian community in the Middle East," he said during a break from observing CNEWA's efforts.
The 95-yard score appeared to take the wind out of Berthoud’s sails while giving the heretofore winless Eagles a booster shot of confidence.
I am happy I got the vaccine and am going in for the booster shot in three weeks.
Puppies should get a parvo vaccine at about 2 months of age, followed by a booster shot.
The strong showing by each of the four give the team a booster shot of confidence heading into next Monday’s regional tournament, which will also be held at the Olde Course.